Principal Software Engineer

Salary: $107,500 - 204,500 per year

• We require a bachelors degree in a STEM field and at least 8 years of relevant professional experience.
• We need strong development experience in modern programming languages such as C++ within a Linux environment.
• We expect solid knowledge of data structures and the ability to apply them efficiently to solve technical problems.
• We require experience with at least one scripting language, such as Python.
• We need hands-on experience with containerized software and related technologies, including Kubernetes, Helm, and Podman.
• We require the ability to obtain and maintain a U.S. government-issued TS/SCI clearance.
• We require U.S. citizenship, as only U.S. citizens are eligible for a security clearance.
• Preferred candidates bring multithreading experience.
• Preferred candidates have worked both independently and as part of a collaborative team.
• Preferred candidates understand network protocols such as TCP/IP.
• Preferred candidates have experience with Qt, user interface development, or Angular web GUI development.
• Preferred candidates have embedded software design experience and a background integrating software with hardware.
• Preferred candidates have used configuration management tools such as git and build systems such as makefiles or CMake.
• Preferred candidates are familiar with event-driven architectures and messaging platforms such as Kafka.
• Preferred candidates have exposure to RESTful APIs and gRPC.
• Preferred candidates have experience or a foundational understanding of telecommunications concepts, signal processing, and ITU standards.
• Preferred candidates hold an active and transferable TS/SCI clearance with polygraph.

• We develop advanced software solutions in a Linux-based environment using modern programming tools and languages.
• We design efficient, reliable code by applying strong data structure and problem-solving practices.
• We build and maintain scripting and containerized software components to support scalable development workflows.
• We collaborate with cross-functional teammates to deliver secure, high-quality technical solutions.
• We contribute to systems that support SIGINT, communications, and mission-critical national security capabilities.
• We may work on user interface development, embedded software, hardware integration, and related platform software efforts.
• We help maintain source control, build processes, and integration pipelines that support ongoing software delivery.
• We participate in technical problem-solving across networking, messaging, APIs, and telecommunications-related systems.

• Angular
• Embedded
• Git
• Hardware
• Helm
• Support
• Kafka
• Kubernetes
• Linux
• Network
• Podman
• Python
• Qt
• Security
• TCP/IP
• Web
• gRPC
• C++
• Flow

More:

We are Applied Signal Technology, managed by Collins Aerospace and part of RTX, and we build trusted strategic and tactical SIGINT solutions that help protect the interests of the U.S. and its partners. Our Salt Lake City, Utah onsite team works on high-capacity broadband communications, signal processing and analysis, tactical SIGINT, and wireless communications in a highly collaborative environment that values integrity, innovation, and work-life balance. We offer a competitive benefits package that includes medical, dental, and vision coverage, retirement savings with employer matching, tuition and student loan support, paid time off, parental leave, wellness resources, counseling access, and relocation eligibility. The role is based onsite in West Valley City/Salt Lake City, Utah, and selected candidates may be asked to complete parts of the interview process in person as part of our secure hiring process.

last updated 45 week of 2026